Technical Notes：

1.Pre catalyst for the coupling of benzoxazole with N-tosylhydrazone.

2.Catalyst precursor for heterogeneously nickel-catalysed hydrogenolysis of aryl ethers without

arene hydrogenation.

3.Pre-catalyst for reductive cleavage of C-OMe bonds with silanes as reducing agents .

4.Pre-catalyst for the cross-coupling reactions of benzylic pivalates with arylboroxines.

5.Pre-catalyst for the cross-coupling of benzylic carbamates with arylboronic esters.

6.Pre catalyst for the direct arylation of C(sp')-H Bonds in aliphatic amides via bidentate- chelation.

7.Pre -catalyst for the cross-coupling reactions of potassium alkoxyalkyl- and benzyltrifluoroborates with an array of aryl bromides and co-catalyzed by iridium photoredox catalyst under visible light at ambienttemperature.

8.Pre-catalyst for highly regioselective indoline synthesis, co-catalyzed by Iridium photoredox catalyst.

9. Catalyst for conversion of amides to esters via the activation of amide C-N bonds.

10. Catalyst for borylation of aryl fluorides via C-F cleavage .

11. Catalyst for Suzuki-Miyaura coupling of amides .

12. Catalyst for the cross-coupling reaction of the aryl methyl ether alkylation.